4 Point Starter- Construction, Working & Its Application
4 Point Starter is almost identical in performance features to the 3 Point Starter. The 4 Point Starter limits the starting current in the absence … Read more
DC Motor
Types of Braking in a DC Motor
In this article, we shall discuss the types of electrical braking in a DC motor. There are various types of electrical braking used for DC … Read more
What is Plugging or Reverse Current Braking of DC Motor?
In Plugging or Reverse Current Braking, supply polarity of armature voltage of DC motor is reversed to rapid stop the motor. The armature voltage(V) and back EMF (Eb) … Read more
Derivation of EMF Equation of a DC Generator
EMF Equation of DC Generator and DC Motor When we apply DC voltage to an armature of a DC motor, a back emf or counter … Read more
Speed Regulation of DC Motor | Definition and Formula
The speed of the DC motor decrease with an increase of load on the motor. This is not desirable. Therefore, there must be a lesser … Read more
What is Shaft Torque of DC Motor?- Definition, Formula and Solved Problem
The actual torque available at the motor shaft for driving the mechanical equipment is known as shaft torque(Tsh). In fact, the same electromagnetic or gross … Read more
How to Change the Direction of Rotation of DC Series Motor?
In this post we will discuss how to change the direction of rotation of DC Series Motor. The rotational force of the DC motor is … Read more
Direction of Rotation of DC Motor
Direction of rotation of DC Motor can be reversed by reversing the direction of torque of the motor. When motor exerts torque in clockwise direction … Read more
Working or Operating Principle of DC Motor
The DC motor converts electrical energy into mechanical energy. The input power to DC motor is DC power. The DC motor works on the principle … Read more
Torque Equation of DC Motor- Its Derivation
When the current carrying conductor is placed in the magnetic field, the conductor experiences a force which exerts turning moment or torque F x r. … Read more
